Update scalatest 3.1.0 (#1383)

* Removed unused imports in src/test/

* Update ScalaTest deprecations.

* Update scalatest from 3.0.8 to 3.1.0; apply auto fix for deprecations

Co-authored-by: Jack Koenig <koenig@sifive.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/build.sc b/build.sc
index 25862072..ed381b45 100644
--- a/build.sc
+++ b/build.sc
@@ -59,8 +59,8 @@ class firrtlCrossModule(crossVersion: String) extends ScalaModule with SbtModule
     }
 
     def ivyDeps = Agg(
-      ivy"org.scalatest::scalatest:3.0.8",
-      ivy"org.scalacheck::scalacheck:1.14.0"
+      ivy"org.scalatest::scalatest:3.1.0",
+      ivy"org.scalatestplus::scalacheck-1-14:3.1.0.1"
     ) ++ ivyCrossDeps
 
     def testFrameworks = Seq("org.scalatest.tools.Framework")